Center Enamel Provides Anaerobic Digester Tanks For Switzerland Wastewater Treatment Project
As climate change continues to dominate the global discourse, countries around the world are investing in sustainable and energy-efficient technologies. Switzerland, a pioneer in environmental conservation and renewable energy, is advancing its wastewater treatment initiatives by focusing on biogas production through anaerobic digestion. In support of this environmentally strategic effort, Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) proudly offers high-quality, durable, and internationally certified anaerobic digester tanks designed for modern wastewater treatment facilities across Switzerland.
With over 30 years of experience and a global reputation for quality and innovation, Center Enamel is uniquely positioned to support Switzerland in its transition to a low-carbon economy. Our anaerobic digester tanks, especially our renowned Glass-Fused-to-Steel (GFS) tanks, offer a perfect combination of strength, corrosion resistance, and cost-efficiency.
About Center Enamel
Founded in 1989, Center Enamel is the first and most experienced manufacturer of Glass-Fused-to-Steel tanks in China. We specialize in the research, development, design, manufacture, and installation of various types of bolted storage tanks. Our core products include:
Glass-Fused-to-Steel (GFS) Tanks
Fusion Bonded Epoxy Tanks
Stainless Steel Tanks
Galvanized Steel Tanks
Aluminum Geodesic Dome Roofs
Our tanks comply with international standards such as ISO 9001, ISO 28765, NSF/ANSI 61, WRAS, FM, CE/EN1090, AWWA D103, and more. We have successfully completed projects in over 100 countries, including the USA, Germany, Australia, Brazil, Malaysia, Russia, South Africa, and now expanding further into Central Europe.
Switzerland's Commitment to Sustainable Wastewater Treatment
Switzerland’s environmental policies emphasize carbon neutrality, renewable energy generation, and circular waste management. One of the most effective strategies in achieving these goals is the use of anaerobic digestion in wastewater treatment plants.
Anaerobic digestion converts organic waste into biogas—a renewable source of energy—and nutrient-rich digestate for use as fertilizer. This method is especially effective for municipal and industrial wastewater treatment facilities, agricultural waste systems, and landfill leachate plants.
With many Swiss municipalities upgrading their wastewater infrastructure to include biogas recovery systems, the demand for durable and efficient anaerobic digester tanks is on the rise. Center Enamel's GFS anaerobic digesters are perfectly suited to meet this demand.
Advantages of Center Enamel's GFS Anaerobic Digester Tanks
Superior Corrosion Resistance
Our tanks combine the mechanical strength of steel with the chemical resistance of glass. The Glass-Fused-to-Steel technology fuses glass to steel at high temperatures (820°C-930°C), creating a chemically and physically bonded surface that resists acids, alkalis, and microbial activity.
Long Service Life
Center Enamel's tanks have a service life of over 30 years. With minimal maintenance required, the total cost of ownership is significantly reduced, making our tanks a smart long-term investment for Swiss wastewater authorities.
Gas and Liquid Impermeability
GFS tanks are designed to be completely sealed, ensuring high gas tightness critical for efficient biogas production and containment.
Wide Operating pH Range
Our tanks can operate in environments with a pH range of 1 to 14, accommodating a variety of waste compositions and digestion processes.
Fast Installation and Modular Design
The bolted design allows for fast and efficient on-site installation, even in remote or constrained areas. This reduces construction time and labor costs.
Customizable Sizes and Components
We offer a wide range of sizes (20 m³ to 60,000 m³) and configurations. Optional accessories include mixers, insulation, manways, domes, ladders, and platforms—all tailored to meet the specific needs of Swiss biogas projects.
Applications in Switzerland
Center Enamel's anaerobic digester tanks are ideal for:
Municipal Wastewater Treatment Plants (WWTPs)
Industrial Effluent Treatment (Food and Beverage, Pulp and Paper)
Agricultural Waste Management (Manure and Silage)
Landfill Leachate Processing
Sludge Storage and Pre-treatment
Support for Swiss EPC Contractors and Plant Operators
Center Enamel provides end-to-end technical and engineering support, including:
Preliminary Design & 3D Modeling
Detailed CAD Drawings and Structural Analysis
On-site Supervision and Installation Training
Maintenance Plans and Spare Parts Supply
Documentation and Compliance for EU Standards
We work closely with local contractors, engineers, and operators to ensure that each project meets Swiss and EU regulations for safety, efficiency, and environmental impact.
Global Project Experience
Center Enamel has completed thousands of projects around the globe, such as:
Malaysia POME Biogas Project
Saudi Arabia Treated Sewage Reuse Tanks
Namibia Fresh Water Reservoir
Costa Rica Drinking Water Tanks
Italy Agricultural Digester in S. Michele A/A
Our experience spans diverse climates and waste types, proving the versatility and reliability of our GFS tanks.
Quality Assurance and Certification
All Center Enamel tanks go through rigorous quality control, and we are proud to be certified by multiple international bodies:
ISO9001 Quality Management System
ISO28765 for GFS Tank Design
WRAS for Drinking Water Safety
NSF/ANSI 61 for Drinking Water System Components
EN1090 / CE for Structural Steel
FM and LFGB for Safety Compliance
We are also recognized by BSCI for responsible business practices and ISO45001 for occupational health and safety.
Our Vision for Switzerland
Switzerland has the potential to lead Europe in biogas development and circular waste management. Center Enamel is committed to supporting this vision with reliable, efficient, and environmentally responsible solutions. By partnering with us, Swiss municipalities and industrial operators gain access to world-class technology and global project expertise.
Sustainable Infrastructure with Global Expertise
Center Enamel’s anaerobic digester tanks represent the pinnacle of storage tank technology—combining innovation, reliability, and sustainability. Our products empower Swiss cities and industries to meet environmental goals while maximizing energy recovery from waste. As we look toward a greener future, Center Enamel stands ready to provide the infrastructure that turns vision into action.
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